> You're saying that, simply because a sender or recipient > MIGHT be in Germany, that my US-based mail server has to send > an NDR? And risk getting added to a "backscatter" RBL?
No, you also have the option of delivering it to the user in a method that equates to delivery, such as delivering to their spam/junk folder. -S _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop